CVE-2025-49177 (GCVE-0-2025-49177)

Vulnerability from cvelistv5 – Published: 2025-06-17 14:49 – Updated: 2025-11-20 07:40
VLAI?
Summary
A flaw was found in the XFIXES extension. The XFixesSetClientDisconnectMode handler does not validate the request length, allowing a client to read unintended memory from previous requests.
Severity ?
6.1 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
https://access.redhat.com/errata/RHSA-2025:10258 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:9303 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:9304 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-49177 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2369955 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:24.1.5-4.el10_0 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.0
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.20.11-31.el9_6 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:23.2.7-4.el9_6 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:22.1.9-6.el9_4 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.4::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
 Create a notification for this product.
Credits
Red Hat would like to thank Julian Suleder and Nils Emmerich for reporting this issue.
Show details on NVD website
To clipboard 

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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.